GNSS World of China

Volume 45 Issue 3
Jun.  2020
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CHEN Chunhua, CHEN Chong, ZHAO Yazhi. Analysis of GNSS data quality of smartphone[J]. GNSS World of China, 2020, 45(3): 22-27. doi: DOI:10.13442/j.gnss.1008-9268.2020.03.005
Citation: CHEN Chunhua, CHEN Chong, ZHAO Yazhi. Analysis of GNSS data quality of smartphone[J]. GNSS World of China, 2020, 45(3): 22-27. doi: DOI:10.13442/j.gnss.1008-9268.2020.03.005
shu

Analysis of GNSS data quality of smartphone

doi: DOI:10.13442/j.gnss.1008-9268.2020.03.005
  • 1.

    Hunan Institute of Surveying and Mapping Technology, Changsha 410007,China

  • 2.

    Shandong University of Science and Technology, Qingdao 266590,China

  • 3.

    Chinese Academic of Surveying and Mapping, Beijing 100830,China

  • Publish Date: 2020-06-15
    Abstract
  • The GNSS raw data observations are open for the Android system, and developers can directly obtain the GNSS raw observations through the API. In this paper, Xiaomi Mi 8 and Huawei P30 mobile phones are selected as the research objects. The original GNSS observation data output by the mobile phone is studied, and the data quality is analyzed from the aspects of multipath effects, data carrier-to-noise ratio. The experimental results show that compared with the measurement receiver, the original observation value of the Android smartphone is relatively low, and has serious multipath effect.

     

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    • References(10)
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